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Question

sin3sin-115=


A

71125

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B

74125

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C

35

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D

12

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Solution

The correct option is A

71125


Explanation for the correct answer:

Simplifying the given expression:

sin3sin-115=sinsin-1315-4153=sinsin-135-4125=sinsin-175-4125=sinsin-171125=71125

Therefore, the correct answer is option (A).


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